critical9.8
CVE-2019-20786
Improper Authenication in Pion DTLS
Impact
handleIncomingPacket in conn.go in Pion DTLS before 1.5.2 lacks a check for application data with epoch 0, which allows remote attackers to inject arbitrary unencrypted data after handshake completion.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/pion/dtls | < 1.5.2 | 1.5.2 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Pion | Dtls | before 1.5.2 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/pion/dtls/commit/fd73a5df2ff0e1fb6ae6a51e2777d7a16cc4f4e0
- https://github.com/pion/dtls/compare/v1.5.1...v1.5.2
- https://www.usenix.org/conference/usenixsecurity20/presentation/fiterau-brostean
- https://www.usenix.org/system/files/sec20fall_fiterau-brostean_prepub.pdf
- https://github.com/advisories/GHSA-7gfg-6934-mqq2
- https://nvd.nist.gov/vuln/detail/CVE-2019-20786
- https://github.com/pion/dtls/pull/128
- https://pkg.go.dev/vuln/GO-2020-0038